From d4f4b721bcdb394749f072a2679ac06d580bc003 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@mit.edu>
Date: Tue, 2 Nov 2021 18:06:09 -0700
Subject: [PATCH] openafs: Add upstream patches for Linux kernel 5.15

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
---
 pkgs/servers/openafs/1.8/module.nix | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/pkgs/servers/openafs/1.8/module.nix b/pkgs/servers/openafs/1.8/module.nix
index 9b113a4a0d1e..2543aef37690 100644
--- a/pkgs/servers/openafs/1.8/module.nix
+++ b/pkgs/servers/openafs/1.8/module.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, which, autoconf, automake, flex, bison
-, kernel, glibc, perl, libtool_2, libkrb5 }:
+, kernel, glibc, perl, libtool_2, libkrb5, fetchpatch }:
 
 with (import ./srcs.nix {
   inherit fetchurl;
@@ -18,6 +18,23 @@ in stdenv.mkDerivation {
 
   buildInputs = [ libkrb5 ];
 
+  patches = [
+    # LINUX 5.14: explicitly set set_page_dirty to default
+    ((fetchpatch {
+      url = "https://gerrit.openafs.org/changes/14830/revisions/20b8a37950b3718b85a4a3d21b23469a5176eb6a/patch";
+      sha256 = "1mkfwq0pbwvfjspsy2lxhi0f09hljgc6xyn3y97sai0dyivn05jp";
+    }).overrideAttrs (o: {
+      postFetch = "mv $out p; base64 -d p > $out; " + o.postFetch;
+    }))
+    # Linux 5.15: Convert osi_Msg macro to a function
+    ((fetchpatch {
+      url = "https://gerrit.openafs.org/changes/14831/revisions/6cfa9046229d90c0625687e3fddb7877f21fbcff/patch";
+      sha256 = "18rip9a1krxf47fizf3f12ddq55apzb2w3wjj5qs7n3sh2nwks7g";
+    }).overrideAttrs (o: {
+      postFetch = "mv $out p; base64 -d p > $out; " + o.postFetch;
+    }))
+  ];
+
   hardeningDisable = [ "pic" ];
 
   configureFlags = [
@@ -56,6 +73,6 @@ in stdenv.mkDerivation {
     license = licenses.ipl10;
     platforms = platforms.linux;
     maintainers = with maintainers; [ maggesi spacefrogg ];
-    broken = versionOlder kernel.version "3.18" || kernel.kernelAtLeast "5.15" || kernel.isHardened;
+    broken = versionOlder kernel.version "3.18" || kernel.isHardened;
   };
 }